|
The Earth's ____ causes the rising and setting of the Sun.
|
equinox
|
|
Rivers of ice called ____ slowly carved valleys and lakes.
|
equinoxes
|
|
Fossil fuels and nuclear power are ____ energy resources.
|
full moon
|
|
The Moon is between the Sun and the Earth during a ____.
|
glaciers
|
|
An ___ occurs when day and night are equal in length.
|
new moon
|
|
The spring and autumn ____ occur in March and September.
|
nonrenewable
|
|
The tilt of the Earth's axis causes the ____.
|
rotation
|
|
The Earth is between the Sun and the Moon during a ____.
|
seasons
|
